A triangle with interior angles measuring a, b, and c degrees and exterior angle measuring d degrees is shown above. If d measures 140°, what is the
sum of a and b?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

How can you tell when x and y are not directly proportional?

Write the equation in logarithmic form m^x=n